- Replace the left menu button with "Turn off/on Wi-Fi"
- Remove the TurnOnWifiSlice
- Show "Wi-Fi is off" sub-title when Wi-Fi is disabled
- Remove the "Wi\u-Fi is turned on" sub-title when APM is on.
Bug: 188710392
Test: manual test
atest -c InternetConnectivityPanelTest
make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.panel
Change-Id: I53e200f6cadf8b712bf794bcbd5ff79f0f239cc0